.title {
  text-align: center;
  height:50px;
  background-color: lightgreen;
  line-height: 50px;
  font-size: 24px;
}
.content {
  background-color: lightblue;
}
.content table {
  width:100%;
  text-align: center;
  border-right:2px solid orange;
  border-bottom:2px solid orange;
  /* 合并单元格 */
  border-collapse: collapse;
}
.content td ,th{
  padding: 0 10px;
  max-width:150px;
  height: 40px;
  border-left:2px solid orange;
  border-top: 2px solid orange;
  text-align: center;
  line-height: 40px;
  text-overflow:ellipsis; 
  white-space:nowrap; 
  overflow:hidden;
}
/* .content tbody > tr:first-of-type{
  display: none;
} */